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Hi all, Having an intermittent problem with * where external voice channels suddenly pack up completely, resulting in large amounts of 'crackling' on the line (audible at both ends of the channel). The channel stays open and each end can still hear the other, but the crackling is loud enough to end the conversation pretty quickly. Problem only seems to occur when more than one call is in progress and also appears to occur on occasion when another extension is picked up or hung up. Problem appears to affect all in-use voice channels simultaneously. Haven't been able to confirm whether this problem also affects internal calls due to intermittent nature (and fact that customer makes very few internal calls). Problem can sometimes result in a single loud 'spike' when another line is picked up, but most often results in a loud, continuous crackling that won't go away until the channel is terminated. As soon as the user hangs up and re-dials the problem goes away (until next time). One user reports that problem even started when second line started ringing on their extension (i.e. when call waiting kicked in due to incoming call on their DDI), meaning that call in progress had to be terminated. Incoming call (i.e. call that was on call waiting) seemed to be fine, however. Running latest * and CAPI and using Eicon Server 4 port ISDN (BRI) card on RHES. Mixture of 5 x SIP phones (BT102) and 4 x analogue cordless phones (all connected to Digium TDM400P). Originally suspected problem was to do with BT102's (i.e. SIP handsets), but problem has since occurred with analogue phones as well. Appreciate any help with this, as source of problem not immediately apparent and customer patience wearing pretty thin. Cheers, Damian Funnell. |
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